diff options
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java | 4 | ||||
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderState.java | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java index 9cade1e90..1337a7e2b 100644 --- a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java +++ b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderProgram.java @@ -85,7 +85,9 @@ public class ShaderProgram { * If <code>destroyShaderCode</code> is true it destroys the shader codes as well. */ public synchronized void release(GL2ES2 gl, boolean destroyShaderCode) { - useProgram(gl, false); + if( programLinked ) { + useProgram(gl, false); + } for(Iterator<ShaderCode> iter=allShaderCode.iterator(); iter.hasNext(); ) { ShaderCode shaderCode = iter.next(); if(attachedShaderCode.remove(shaderCode)) { diff --git a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderState.java b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderState.java index a221cd51e..968391976 100644 --- a/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderState.java +++ b/src/jogl/classes/com/jogamp/opengl/util/glsl/ShaderState.java @@ -231,7 +231,7 @@ public class ShaderState { * @see ShaderProgram#release(GL2ES2, boolean) */ public synchronized void release(GL2ES2 gl, boolean destroyBoundAttributes, boolean destroyShaderProgram, boolean destroyShaderCode) { - if(null!=shaderProgram) { + if(null!=shaderProgram && shaderProgram.linked() ) { shaderProgram.useProgram(gl, false); } if(destroyBoundAttributes) { |